public function let(ConferenceInterface $repository, ConferenceFactory $factory)
{
$conference_to_save = new ConferenceEntity();
$factory->conferenceEntity(array())->willReturn($conference_to_save);
$conference_to_save_that_fails = new ConferenceEntity();
$conference_to_save_that_fails->setName('Test');
$factory->conferenceEntity(array('name' => 'fails'))->willReturn($conference_to_save_that_fails);
$repository->getByName(null)->willReturn(false);
$repository->save($conference_to_save)->willReturnArgument(0);
$this->beConstructedWith($repository, $factory);
}